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Western Ontario Steam Threshers Association

Thank You for viewing the Western Ontario Steam Threshers website. This site is designed and maintained by our members to provide information on the club, ongoing activities throughout the year and our annual show.


Mark Your Calendar!

The Western Ontario Steam Threshers Association holds its annual reunion on the 2nd Weekend of August annually at the Forest Fairgrounds. The 2022 Reunion is being held August 12-14th at the Forest Fairgrounds featuring International Harvester Displays and CASE Displays.


Mark Your Calendar!

2022 Reunion – August 12-14

FEATURING – Minneapolis Moline and B.F. Avery, part of the Prairie Gold Rush Summer Show!

Tractor Pulls, Fiddle Contest, Beer Garden, Live Music, Bean Pot, Vendors, Kids Program plus Steam Engines, Demonstrations and more.

More Helpful Information About The 2022 Reunion

Minneapolis-Moline Collectibles

For this year’s 65th W.O.S.T.A. anniversary we have Minneapolis-Moline collectible tractors for sale. 55 units available! Email [email protected] to reserve.

On-Site Camping

We have camping available on-site! Campers must register prior to the event.

NEW E-Transfer Payment Option

Now you can pay for your membership and camping by e-transfer to [email protected]. *This is set up as auto deposit. Put your name in the notes and send an email with application forms.

Welcome To Our Site

The Western Ontario Steam Thresher’s Association is the oldest club of its kind in Ontario and has been described as the “Best Steam and Heritage Show in Canada”. We are proud of our founding members and the rich heritage of devoted individuals who have contributed countless hours to build and maintain the Western Ontario Steam Threshers Association.



Our show schedule is updated frequently. Check out this page for camping reservations and upcoming events.


Looking for a form or specific documentation? This page holds all of the important documents you will need to Become a Member, Become a Vendor, and more!

Become a Member

Looking to become a member? We have membership forms available for download on our Forms page.

Captured Moments From Past Reunions